huge_zero_page 248 include/linux/huge_mm.h extern struct page *huge_zero_page; huge_zero_page 252 include/linux/huge_mm.h return READ_ONCE(huge_zero_page) == page; huge_zero_page 63 mm/huge_memory.c struct page *huge_zero_page __read_mostly; huge_zero_page 85 mm/huge_memory.c return READ_ONCE(huge_zero_page); huge_zero_page 95 mm/huge_memory.c if (cmpxchg(&huge_zero_page, NULL, zero_page)) { huge_zero_page 104 mm/huge_memory.c return READ_ONCE(huge_zero_page); huge_zero_page 119 mm/huge_memory.c return READ_ONCE(huge_zero_page); huge_zero_page 127 mm/huge_memory.c return READ_ONCE(huge_zero_page); huge_zero_page 147 mm/huge_memory.c struct page *zero_page = xchg(&huge_zero_page, NULL);